sump

play
noun \ˈsəmp\

Definition of sump

  1. 1 :  a pit or reservoir serving as a drain or receptacle for liquids: such asa :  cesspoolb :  a pit at the lowest point in a circulating or drainage system (such as the oil-circulating system of an internal combustion engine)c chiefly British :  oil pan

  2. 2 British :  crankcase

  3. 3 [German Sumpf, literally, marsh, from Middle High German — more at swamp] a :  the lowest part of a mine shaft into which water drainsb :  an excavation ahead of regular work in driving a mine tunnel or sinking a mine shaft

  4. 4 :  something resembling a sump :  sink 2

Origin and Etymology of sump

Middle English sompe swamp — more at swamp


First Known Use: 1653


SUMP Defined for English Language Learners

sump

play
noun

Definition of sump for English Language Learners

  • : a low part or area where liquid collects when it drains from something

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